CVE-2025-66378 Missing authorization in Infinity

Medium 5.9 Published Updated

An attacker can disconnect RTMP streams traversing a Proxy Node due to insufficient access control in Pexip Infinity.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-66378?

CVE-2025-66378 is a medium-severity missing authorization vulnerability in Pexip Pexip Infinity, published on 25 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Pexip Infinity 38.0 and 38.1 before 39.0 has insufficient access control in the RTMP implementation, allowing an attacker to disconnect RTMP streams traversing a Proxy Node.

Weakness: CWE-863

Which versions are affected by CVE-2025-66378?

It affects 1 product.

Products include Pexip Pexip Infinity.

How do I fix CVE-2025-66378?

No fix has been published for CVE-2025-66378 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-66378 being exploited?

There is no known exploitation of CVE-2025-66378 in the wild and no public exploit code.

All Pexip Pexip Infinity vulnerabilities

Sources

Also known as GHSA-34j4-424f-xr64.

Is CVE-2025-66378 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free